Printer

package main

import (
    "log"
    "os"

    "github.com/spf13/pflag"

    "go.szostok.io/version/printer"
)

func main() {
    p := printer.New()
    p.RegisterPFlags(pflag.CommandLine) // register `--output/-o` flag
    pflag.Parse()

    if err := p.Print(os.Stdout); err != nil {
        log.Fatal(err)
    }
}